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103031205054 = 2322974986321
BaseRepresentation
bin101111111110100100…
…0110110110010111110
3100211221102101111212120
41133331020312302332
53142001442030204
6115155404143410
710305131536011
oct1377510666276
9324842344776
10103031205054
113a77147a348
1217b74b37b66
13993c7cb5bb
144db586b378
152a303e46d9
hex17fd236cbe

103031205054 has 16 divisors (see below), whose sum is σ = 206962248720. Its totient is φ = 34193761920.

The previous prime is 103031205001. The next prime is 103031205059. The reversal of 103031205054 is 450502130301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103031205059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37491787 + ... + 37494534.

It is an arithmetic number, because the mean of its divisors is an integer number (12935140545).

Almost surely, 2103031205054 is an apocalyptic number.

103031205054 is an abundant number, since it is smaller than the sum of its proper divisors (103931043666).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103031205054 is a wasteful number, since it uses less digits than its factorization.

103031205054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74986555.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 103031205054 its reverse (450502130301), we get a palindrome (553533335355).

The spelling of 103031205054 in words is "one hundred three billion, thirty-one million, two hundred five thousand, fifty-four".

Divisors: 1 2 3 6 229 458 687 1374 74986321 149972642 224958963 449917926 17171867509 34343735018 51515602527 103031205054